diff --git a/.gitignore b/.gitignore
index 8ad5607a..333dfcf2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@ bin
 .DS_Store
 .project
 .settings/
+/target/
diff --git a/pom.xml b/pom.xml
index 5c0c35ee..6b0f2fba 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
 <dependency>
 <groupId>com.google.guava</groupId>
     <artifactId>guava</artifactId>
-    <version>19.0</version>
+    <version>22.0</version>
 </dependency>
 <dependency>
     <groupId>org.reflections</groupId>